gcp_project_id = attribute(:gcp_project_id, default: '<%= external_attribute(pwd, 'gcp_project_id') -%>', description: 'The GCP project identifier.')
url_map = attribute('url_map', default: <%= JSON.pretty_generate(grab_attributes(pwd)['url_map']) -%>, description: 'Compute URL map definition')
backend_service = attribute('backend_service', default: <%= JSON.pretty_generate(grab_attributes(pwd)['backend_service']) -%>, description: 'Backend service definition')